EP1049272A3 - Système et méthode de contrôle de la qualité d'un signal - Google Patents

Système et méthode de contrôle de la qualité d'un signal Download PDF

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Publication number
EP1049272A3
EP1049272A3 EP00109235A EP00109235A EP1049272A3 EP 1049272 A3 EP1049272 A3 EP 1049272A3 EP 00109235 A EP00109235 A EP 00109235A EP 00109235 A EP00109235 A EP 00109235A EP 1049272 A3 EP1049272 A3 EP 1049272A3
Authority
EP
European Patent Office
Prior art keywords
quality
signal
check information
transmission
quality monitoring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP00109235A
Other languages
German (de)
English (en)
Other versions
EP1049272B1 (fr
EP1049272A2 (fr
Inventor
Tatsuya c/o NEC Corporation Shiragaki
Shinobu c/o NEC Corporation Sasaki
Shinya c/o NEC Corporation Nakamura
Takashi c/o NEC Corporation Yamazaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Publication of EP1049272A2 publication Critical patent/EP1049272A2/fr
Publication of EP1049272A3 publication Critical patent/EP1049272A3/fr
Application granted granted Critical
Publication of EP1049272B1 publication Critical patent/EP1049272B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/14—Monitoring arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0791—Fault location on the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0795—Performance monitoring; Measurement of transmission parameters
    • H04B10/07953—Monitoring or measuring OSNR, BER or Q
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0797—Monitoring line amplifier or line repeater equipment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0057—Operations, administration and maintenance [OAM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2203/00—Aspects of optical multiplex systems other than those covered by H04J14/05 and H04J14/07
    • H04J2203/0001—Provisions for broadband connections in integrated services digital network using frames of the Optical Transport Network [OTN] or using synchronous transfer mode [STM], e.g. SONET, SDH
    • H04J2203/0057—Operations, administration and maintenance [OAM]
    • H04J2203/006—Fault tolerance and recovery

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
EP00109235A 1999-04-28 2000-04-28 Système et méthode de contrôle de la qualité d'un signal Expired - Lifetime EP1049272B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12201299A JP2000312189A (ja) 1999-04-28 1999-04-28 光通信装置
JP12201299 1999-04-28

Publications (3)

Publication Number Publication Date
EP1049272A2 EP1049272A2 (fr) 2000-11-02
EP1049272A3 true EP1049272A3 (fr) 2004-05-06
EP1049272B1 EP1049272B1 (fr) 2006-06-28

Family

ID=14825397

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00109235A Expired - Lifetime EP1049272B1 (fr) 1999-04-28 2000-04-28 Système et méthode de contrôle de la qualité d'un signal

Country Status (4)

Country Link
EP (1) EP1049272B1 (fr)
JP (1) JP2000312189A (fr)
CA (1) CA2307256C (fr)
DE (1) DE60029047T2 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1638233B1 (fr) * 2001-10-09 2007-12-19 Infinera Corporation Architecture de réseau optique numérique
WO2003032021A2 (fr) 2001-10-09 2003-04-17 Infinera Corporation Circuits integres photoniques d'emetteurs (txpic) et reseaux de transport optique utilisant lesdits txpic
AU2002342020A1 (en) * 2001-10-09 2003-04-22 Infinera Corporation Transmitter photonic integrated circuit
EP2717514A1 (fr) * 2003-03-14 2014-04-09 Nippon Telegraph & Telephone Corporation Dispositif de noeud optique, reseau et methode d'établissement de chemin
US8126336B2 (en) 2006-03-31 2012-02-28 Furukawa Electric Co., Ltd. Optical transmission system and optical repeater
JP2008042288A (ja) * 2006-08-02 2008-02-21 Fujitsu Ltd 信号処理装置及び信号処理方法
JP4862059B2 (ja) * 2009-03-25 2012-01-25 ミハル通信株式会社 光信号伝送システム及び光信号伝送システム用光受信装置
EP2854306B1 (fr) * 2013-09-25 2020-01-01 Alcatel Lucent Récepteur optique et procédé de fonctionnement d'un récepteur optique
US11388699B2 (en) * 2020-03-25 2022-07-12 Kabushiki Kaisha Toshiba Communication between network nodes

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4633464A (en) * 1983-08-08 1986-12-30 At&T Bell Laboratories Control signalling arrangement for a digital transmission system
US5151902A (en) * 1989-03-22 1992-09-29 Siemens Aktiengesellschaft Method and apparatus for quality monitoring of at least two transmission sections of a digital signal transmission link
FR2721464A1 (fr) * 1994-06-17 1995-12-22 Alcatel Telspace Procédé de correction d'un mot de contrôle de parité dans une section de commutation de trames, notamment de type SDH.
WO1997001907A1 (fr) * 1995-06-26 1997-01-16 Telefonaktiebolaget Lm Ericsson (Publ) Reseau autoreparateur
EP0804001A2 (fr) * 1996-04-23 1997-10-29 Hitachi, Ltd. Réseau autocicatrisant, et procédé et système de commutation de ligne de transmission correspondant
EP0853394A2 (fr) * 1997-01-13 1998-07-15 Nec Corporation Méthode et dispositif pour surveiller la panne d'un signal optique

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4633464A (en) * 1983-08-08 1986-12-30 At&T Bell Laboratories Control signalling arrangement for a digital transmission system
US5151902A (en) * 1989-03-22 1992-09-29 Siemens Aktiengesellschaft Method and apparatus for quality monitoring of at least two transmission sections of a digital signal transmission link
FR2721464A1 (fr) * 1994-06-17 1995-12-22 Alcatel Telspace Procédé de correction d'un mot de contrôle de parité dans une section de commutation de trames, notamment de type SDH.
WO1997001907A1 (fr) * 1995-06-26 1997-01-16 Telefonaktiebolaget Lm Ericsson (Publ) Reseau autoreparateur
EP0804001A2 (fr) * 1996-04-23 1997-10-29 Hitachi, Ltd. Réseau autocicatrisant, et procédé et système de commutation de ligne de transmission correspondant
EP0853394A2 (fr) * 1997-01-13 1998-07-15 Nec Corporation Méthode et dispositif pour surveiller la panne d'un signal optique

Also Published As

Publication number Publication date
DE60029047D1 (de) 2006-08-10
EP1049272B1 (fr) 2006-06-28
JP2000312189A (ja) 2000-11-07
CA2307256C (fr) 2004-02-17
EP1049272A2 (fr) 2000-11-02
CA2307256A1 (fr) 2000-10-28
DE60029047T2 (de) 2007-01-04

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